In the diagram O is the center of circle PRQ. The radius is 3.5cm and…

Mathematics WAEC 1998

In the diagram O is the center of circle PRQ. The radius is 3.5cm and ∠POQ = 50o. Use the diagram to answer question below. (take π = 3.142)
Calculate, correct to three significant figures, the area of sector OPQ

  • 3.403cm2
  • 5.350cm2 checkmark
  • 10.99cm2
  • 157.1cm2
  • 175.0cm2

The correct answer is: B

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